diff --git a/libavcodec/libfdk-aacenc.c b/libavcodec/libfdk-aacenc.c
index 196fcb5a4d..06576aabae 100644
--- a/libavcodec/libfdk-aacenc.c
+++ b/libavcodec/libfdk-aacenc.c
@@ -334,7 +334,7 @@ static int aac_encode_frame(AVCodecContext *avctx, AVPacket *avpkt,
         in_buf.bufElSizes        = &in_buffer_element_size;
 
         /* add current frame to the queue */
-        if ((ret = ff_af_queue_add(&s->afq, frame) < 0))
+        if ((ret = ff_af_queue_add(&s->afq, frame)) < 0)
             return ret;
     }